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SQUARE D Replacement Coil: 110/120V AC, NEMA Size 4 - Replacement Coils for NEMA Contactors
SQUARE DReplacement Coils for NEMA Contactors

SQUARE D Replacement Coil: 110/120V AC, NEMA Size 4

The SQUARE D Replacement Coil (MPN 3109140038) is a replacement coil for NEMA contactors, designed for 110/120V AC operation with a NEMA Size 4 rating and 120V AC specification. It is compatible with the 8502 Type SF…

SKU 3G-OTH-42990

Brand
SQUARE D
Item
Replacement Coil: 110/120V AC, NEMA Size 4
Category
Replacement Coils for NEMA Contactors
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Technical Specifications

SQUARE D
Manufacturer Part Number
3109140038
Compatible with Series
8502 Type SF Contactors

Technical Documents

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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SQUARE D Replacement Coil (MPN 3109140038) is a replacement coil for NEMA contactors, designed for 110/120V AC operation with a NEMA Size 4 rating and 120V AC specification. It is compatible with the 8502 Type SF Contactors series from SQUARE D.

Frequently Asked Questions

What is the SQUARE D Replacement Coil 3109140038 used for?

The SQUARE D Replacement Coil 3109140038 is used to replace the coil in NEMA Size 4 contactors, specifically the 8502 Type SF series. It operates on 110/120V AC and restores switching functionality in industrial motor control and automation applications.

What are the specifications of the SQUARE D Replacement Coil 3109140038?

The SQUARE D Replacement Coil (MPN 3109140038) is rated for 110/120V AC, NEMA Size 4, and 120V AC. It is compatible with the SQUARE D 8502 Type SF Contactors series. This coil is a direct replacement for maintaining NEMA contactor performance.

Where to buy the SQUARE D Replacement Coil 3109140038 worldwide?

You can source the SQUARE D Replacement Coil 3109140038 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the coil reaches your facility reliably.

How to install the SQUARE D Replacement Coil 3109140038?

To install the SQUARE D Replacement Coil 3109140038, first disconnect power to the contactor. Remove the old coil by releasing its retaining clip or screws, then connect the new coil's leads to the 110/120V AC terminals. Reassemble and test operation per standard NEMA contactor procedures.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems

SQUARE D Products

3G Electric supplies SQUARE D replacement coils for nema contactors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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